Flag npc as dead when their health ratio hits 0

Sometimes npcs despawn without their HP var visible after death

runelite-api/src/main/java/net/runelite/api/NPC.java

@@ -65,4 +65,11 @@ public interface NPC extends Actor
 	 * @return the transformed NPC
 	 */
 	NPCComposition getTransformedComposition();
+
+	/**
+	 * Returns true if this NPC has died
+	 *
+	 * @return
+	 */
+	boolean isDead();
 }

runelite-mixins/src/main/java/net/runelite/mixins/RSActorMixin.java

@@ -54,6 +54,7 @@ import net.runelite.rs.api.RSCombatInfo2;
 import net.runelite.rs.api.RSCombatInfoList;
 import net.runelite.rs.api.RSCombatInfoListHolder;
 import net.runelite.rs.api.RSModel;
+import net.runelite.rs.api.RSNPC;
 import net.runelite.rs.api.RSNode;
 
 @Mixin(RSActor.class)
@@ -235,12 +236,19 @@ public abstract class RSActorMixin implements RSActor
 	@MethodHook("setCombatInfo")
 	public void setCombatInfo(int combatInfoId, int gameCycle, int var3, int var4, int healthRatio, int health)
 	{
-		if (healthRatio == 0 && this == client.getLocalPlayer())
+		if (healthRatio == 0)
 		{
-			log.debug("You died!");
+			if (this == client.getLocalPlayer())
+			{
+				log.debug("You died!");
 
-			LocalPlayerDeath event = new LocalPlayerDeath();
-			eventBus.post(event);
+				LocalPlayerDeath event = new LocalPlayerDeath();
+				eventBus.post(event);
+			}
+			else if (this instanceof RSNPC)
+			{
+				((RSNPC) this).setDead(true);
+			}
 		}
 	}
 }

runelite-mixins/src/main/java/net/runelite/mixins/RSNPCMixin.java

@@ -47,6 +47,9 @@ public abstract class RSNPCMixin implements RSNPC
 	@Inject
 	private int npcIndex;
 
+	@Inject
+	private boolean dead;
+
 	@Inject
 	@Override
 	public int getId()
@@ -149,4 +152,18 @@ public abstract class RSNPCMixin implements RSNPC
 		}
 		return composition;
 	}
+
+	@Inject
+	@Override
+	public boolean isDead()
+	{
+		return dead;
+	}
+
+	@Inject
+	@Override
+	public void setDead(boolean dead)
+	{
+		this.dead = dead;
+	}
 }

runescape-api/src/main/java/net/runelite/rs/api/RSNPC.java

@@ -37,4 +37,6 @@ public interface RSNPC extends RSActor, NPC
 	int getIndex();
 
 	void setIndex(int id);
+
+	void setDead(boolean dead);
 }